Quarterly report pursuant to Section 13 or 15(d)

SHARE BASED COMPENSATION (Details Textual)

v2.4.1.9
SHARE BASED COMPENSATION (Details Textual) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross 7,143us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross    
Allocated Share-based Compensation Expense $ 1,300,000us-gaap_AllocatedShareBasedCompensationExpense $ 600,000us-gaap_AllocatedShareBasedCompensationExpense  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value $ 6.24us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue    
Employee-related Liabilities     70,000us-gaap_EmployeeRelatedLiabilitiesCurrentAndNoncurrent
Non Employee Directors [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock Issued During Period, Shares, Issued for Services 42,000us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
/ tnxp_ThirdPartyAxis
= tnxp_NonEmployeeDirectorsMember
   
Employees / Directors [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross 419,500us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_TitleOfIndividualAxis
= tnxp_EmployeesDirectorsMember
   
Consultants [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross 30,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_TitleOfIndividualAxis
= tnxp_ConsultantsMember
   
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value $ 5.42us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_TitleOfIndividualAxis
= tnxp_ConsultantsMember
   
Seth Lederman [Member] | Common Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value $ 4.43us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_TitleOfIndividualAxis
= tnxp_SethLedermanMember
   
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price $ 5.95us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_TitleOfIndividualAxis
= tnxp_SethLedermanMember
   
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 10 years    
2014 Incentive Stock Plan[Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 1,800,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_AwardTypeAxis
= tnxp_PlanMember
   
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period 10 years    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value $ 4.69us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= tnxp_PlanMember
   
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price $ 5.95us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= tnxp_PlanMember
   
Other than Stock Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 200,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_AwardTypeAxis
= tnxp_OtherThanStockOptionMember
   
2014 ESPP [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross 300,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_AwardTypeAxis
= tnxp_EsppMember
   
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost 22,063us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1
/ us-gaap_AwardTypeAxis
= tnxp_EsppMember
   
Stock Issued During Period, Shares, Employee Stock Purchase Plans 13,978us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
/ us-gaap_AwardTypeAxis
= tnxp_EsppMember
   
Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross 42,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
   
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost 21,480us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
0us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
 
Unamortised Stock Based Compensation 200,000tnxp_UnamortisedStockBasedCompensation
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
   
Share Based Compensation Remaining Unamortised Period 11 months    
Incentive Stock Options Plan 2012 [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 200,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_PlanNameAxis
= tnxp_IncentiveStockOptionsPlan2012Member
   
Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award the exercise price of an incentive stock option may not be less than 110% of fair value of the common stock at the date of the grant for a 10% or more shareholder and 100% of fair value for a grantee who is not a 10% shareholder.    
Common Stock, Capital Shares Reserved for Future Issuance 200,000us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
/ us-gaap_PlanNameAxis
= tnxp_IncentiveStockOptionsPlan2012Member
   
Incentive Stock Options Plan 2014 [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized 7,100,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_PlanNameAxis
= tnxp_IncentiveStockOptionsPlan2014Member
   
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition 2 years 3 months 22 days    
Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award the exercise price of an incentive stock option may not be less than 110% of fair value of the common stock at the date of the grant for a 10% or more shareholder and 100% of fair value for a grantee who is not a 10% shareholder.    
Common Stock, Capital Shares Reserved for Future Issuance 1,800,000us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
/ us-gaap_PlanNameAxis
= tnxp_IncentiveStockOptionsPlan2014Member
   
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights Stock options granted pursuant to the Plans vest 1/3rd 12 months from the date of grant and 1/36th each month thereafter for 24 months and expire ten years    
Share-based Compensation Arrangement by Share-based Payment Award, Method of Measuring Cost of Award straight-line method    
Employee Stock Purchase Plan 2014 [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent 85.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent
/ us-gaap_PlanNameAxis
= tnxp_EmployeeStockPurchasePlan2014Member
   
Common Stock, Capital Shares Reserved for Future Issuance 286,022us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
/ us-gaap_PlanNameAxis
= tnxp_EmployeeStockPurchasePlan2014Member
   
Accrued Employee Benefits $ 46,000us-gaap_AccruedEmployeeBenefitsCurrentAndNoncurrent
/ us-gaap_PlanNameAxis
= tnxp_EmployeeStockPurchasePlan2014Member